CN206726819U

CN206726819U - Cable

Info

Publication number: CN206726819U
Application number: CN201720504256.5U
Authority: CN
Inventors: 林建吾
Original assignee: Dongguan Qinglong Wire & Cable Co Ltd
Current assignee: Dongguan Qinglong Wire & Cable Co Ltd
Priority date: 2017-05-08
Filing date: 2017-05-08
Publication date: 2017-12-08
Anticipated expiration: 2027-05-08

Abstract

The utility model discloses a kind of cable, including core conductor and the insulating barrier that is wrapped on core conductor, core conductor include two and pass through the twisted copper foil wires of double helix pattern and the nylon yarn between copper foil wire；The outer surface of insulating barrier is provided with sheath and the outer jacket positioned at sheath periphery, multiply cotton thread is filled with sheath, the outer surface of sheath is enclosed with aluminium foil, the outer surface of aluminium foil is pasted with PVC glue-lines, the copper foil wire of double helix stranded mode strengthens its pliability, make core conductor more tension, and reduce cable copper foil wire in stretching and situation about being broken occur；Nylon yarn is added between copper foil wire, can further strengthen the pull resistance of core conductor；Because aluminium foil has higher seal and shielding; cable can be protected not corroded and played a part of shielded signal not leak; pass through PVC glue-lines; the tensile strength of aluminium foil can be increased; reduce aluminium foil and the situation of slight crack occur; make cable that there is higher tensile property, extend the service life of cable.

Description

Cable

Technical field

Field of cable technology is the utility model is related to, more specifically, it relates to a kind of cable.

Background technology

Cable is the conductor commonly used in people's daily life.Now with the continuous development of social economy, cable dosage is fast Speed increases, and the quality requirement of cable is also constantly being improved, for example makes in industries such as steel, metallurgy, electric power, chemical industry, oil Cable, there is higher requirement to the heat-resisting quantity of cable, antijamming capability, pull resistance and service life.

At present, notification number is that CN205376198U Chinese patent discloses a kind of cable, includes electricity successively from inside to outside Cable inner core, belting layer, external shielding layer, PVC internal layers, anti-UV layers, PVC outer layers, the inner core are led including cable successively from inside to outside Body, internal shield, insulating barrier, colour band, are PP packed layers between the cable conductor and internal shield, the inner shield in the cable Layer and external shielding layer improve the antijamming capability of cable, and the anti-UV layers of cable can effectively absorb ultraviolet, reduce ultraviolet Infringement of the line to cable, extend the service life of cable.

But the cable is often dragged in laying or use, so the tensile capacity of cable will influence cable Service life.

Utility model content

The purpose of this utility model is to provide a kind of cable, has the advantages of tensile property height and long service life.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of cable, including core Conductor and the insulating barrier being wrapped on core conductor, the core conductor include two by double helix pattern be twisted copper foil wire with And the nylon yarn between copper foil wire；The outer surface of the insulating barrier is provided with sheath and the outer shield positioned at sheath periphery Layer, the sheath is interior to be filled with multiply cotton thread, and the outer surface of the sheath is enclosed with aluminium foil, the outer surface patch of the aluminium foil With PVC glue-lines.

By using above-mentioned technical proposal, the copper foil wire of double helix stranded mode strengthens its pliability, makes core conductor more The tension added, meanwhile, copper foil wire helically, reduces cable copper foil wire in stretching and situation about being broken occurs；Between copper foil wire Nylon yarn is added, can further strengthen the pull resistance of core conductor；When core conductor in use, electric current will be had in core conductor By the way that insulating barrier can make core conductor be insulated with external environment, and the phenomenon leaked electricity so as to reduce core conductor to occur occurs；Cotton thread Filling, the cable that can make to be fabricated to more is justified, and can increase the tensile strength of cable；Due to aluminium foil have it is higher close Closing property and shielding, cable can be protected not corroded and played a part of shielded signal and do not leaked, pass through PVC glue-lines, energy Enough increase the tensile strength of aluminium foil, reduce aluminium foil and the situation of slight crack occur, make cable that there is higher tensile property, extend cable Service life.

Preferably, the outer jacket includes being made up of to outer thermal insulation layer, flame-retardant layer and polyolefin coatings layer from interior Tensile layer.

By using above-mentioned technical proposal, because resistance be present in core conductor, so core conductor will produce heat when in use, Causing core conductor, temperature raises when in use, and for flame-retardant layer for a long time in the environment of high temperature, flame-retardant layer is easily brittle, when core conductor goes out When now bending, flame-retardant layer will crack, and cause the damage of flame-retardant layer, thermal insulation layer between flame-retardant layer and core conductor, every Thermosphere can obstruct heat caused by core conductor, so as to prevent heat transfer caused by core conductor to flame-retardant layer, so as to reduce The brittle situation of flame-retardant layer；When because of improper use short circuit occurs for core conductor, core conductor will produce electric spark, electric spark After thermal insulation layer is punctured, electric spark easily lights tensile layer, and flame-retardant layer, Neng Gouyou are coated between tensile layer and thermal insulation layer Effect prevents electric spark from entering tensile layer, and the phenomenon being burned so as to reduce tensile layer occurs；Tensile layer is coated with flame-retardant layer, Because tensile layer is uniformly to be coated to form by polyolefin coatings, polyolefin coatings raw material is easy to get, and cost is low, has against weather excellent Good, film elasticity is big, and elongation percentage is high, tensile strength and good endurance, adapts to the needs of basic unit's deformation, and strong adaptability effect is good The advantages of, the toughness and mechanical strength of cable are greatly enhanced, can effectively protect core conductor not easily broken in strong pull Split, be adapted to connect up in high intensity environment or over long distances, while the corresponding service life for extending cable, it is ensured that signal transmits excellent Good effect.

Preferably, the thermal insulation layer is polystyrene-magnetic absorbent composite wave-absorbing coating layer.

By using above-mentioned technical proposal, thermal insulation layer specifically uses polystyrene-magnetic absorbent composite wave-absorbing coating layer, The thermal insulation of core conductor is improved, so as to extend the service life of cable.

Preferably, the flame-retardant layer is the core-shell type aqueous acrylic resin dope layer of anti-flammability.

By using above-mentioned technical proposal, flame-retardant layer is specifically applied using the core-shell type aqueous acrylic resin of anti-flammability The bed of material, because the core-shell type aqueous acrylic resin coating of anti-flammability is by the way that second boron alkene and second boron alkynes to be used to be separately employed in core Layer and shell carry out radical polymerization, are aggregated to the main chain of acrylic resin, and fire-retardant under quaternary alkylphosphonium salts, borine synergistic, Reach effective flame retardant effect, while polystyrene-magnetic absorbent composite wave-absorbing coating and the core-shell type aqueous propylene of anti-flammability The absorption affinity of esters of gallic acid cold coating is stronger, effectively can prevent flame-retardant layer from being come off from thermal insulation layer, so as to extend making for cable Use the life-span.

Preferably, it is coated with wearing layer on the tensile layer.

By using above-mentioned technical proposal, during the use of cable, can mutually be worn between adjacent cable, in tension Layer is coated with wearing layer, and wearing layer can play protection to tensile layer, effectively reduces tensile layer abrasion or situation about peeling off, from And extend the service life of cable.

Preferably, the wearing layer is Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint layer.

By using above-mentioned technical proposal, wearing layer specifically uses Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint layer, by Reduce coating as diluent using low volatility innoxious solvent in Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint and using To the pollution of environment in journey, and couplant, crosslinking agent and packing material are effectively improved the corrosion resistance, wear-resisting of coating Property, ageing resistace, shock resistance and the adhesive ability to applicator, the coating quality and coating for improving coating imitate Fruit, effectively it can prevent wearing layer from being come off from tensile layer, so as to extend the service life of cable.

Preferably, the insulating barrier is no-solvent polyurethane fire retardant insulating coating layer.

By using above-mentioned technical proposal, insulating barrier specifically uses no-solvent polyurethane fire retardant insulating coating layer, modified No-solvent polyurethane fire retardant insulating coating has good insulating properties, also with excellent fire resistance, and modified solvent free Polyurethane flame-proof coatings are green technology product, non-volatility organic emission, meet environmental requirement, while anti-flammability core Shell-type aqueous acrylic resin coating and no-solvent polyurethane fire retardant insulating coating absorption affinity are stronger, can effectively reduce absolutely Edge layer comes off from core conductor, so as to extend the service life of cable.

In summary, the utility model has the advantages that：It is soft that the copper foil wire of double helix stranded mode strengthens its Toughness, make core conductor more tension, meanwhile, copper foil wire helically, reduces cable copper foil wire in stretching and the feelings being broken occurs Condition；Nylon yarn is added between copper foil wire, can further strengthen the pull resistance of core conductor；When core conductor in use, core Electric current will be had in conductor by the way that insulating barrier can make core conductor be insulated with external environment, so as to avoid core conductor from leaking electricity Phenomenon occur；The filling of cotton thread, the cable that can make to be fabricated to more is justified, and can increase the tensile strength of cable；By There is higher seal and shielding in aluminium foil, cable can be protected not corroded and played the work that shielded signal does not leak With passing through PVC glue-lines, by increasing capacitance it is possible to increase the tensile strength of aluminium foil, reduce aluminium foil and the situation of slight crack occur, there is cable higher Tensile property, extend the service life of cable.

Brief description of the drawings

Fig. 1 is the structural representation of the present embodiment.

In figure：1st, core conductor；2nd, insulating barrier；3rd, copper foil wire；4th, nylon yarn；5th, sheath；61st, thermal insulation layer；62nd, it is fire-retardant Layer；63rd, tensile layer；7th, cotton thread；8th, aluminium foil；9th, PVC glue-lines；10th, wearing layer.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel after this specification is read can bar according to the modification for needing to make the present embodiment no creative contribution, but As long as all protected in right of the present utility model by Patent Law.

A kind of cable, as shown in figure 1, including a plurality of core conductor 1, core conductor 1 includes two copper foil wires 3, passes through double helix Mode twists together, and can effectively improve the pliability of core conductor 1, so as to protect core conductor 1 to be not easy in strong pull Fracture, while can effectively improve the stability of the energization of core conductor 1；There is nylon yarn 4 between two copper foil wires 3, one can be entered Step improves the tensile strength of cable.

It is enclosed with insulating barrier 2 in the outer surface of core conductor 1, insulating barrier 2 is no-solvent polyurethane fire retardant insulating coating layer, nothing By no-solvent polyurethane fire retardant insulating coating, uniformly coating forms solvent polyurethane fire retardant insulating coating layer, due to modified solvent free Polyurethane flame-proof coatings have good insulating properties, and modified solventless polyurethane fire retardant insulating coating is green technology Product, non-volatility organic emission, meets environmental requirement；No-solvent polyurethane fire retardant insulating coating is referred to application number 201410342733.3 patent of invention, belong to prior art, will not be repeated here.

Multiply cotton thread 7 is filled between the core conductor 1 of tape insulation layer 2, the cross section of cable can be made closer to circle, and The tensile strength of cable can be increased；A plurality of core conductor 1 is wrapped with sheath 5 and the outer jacket positioned at the periphery of sheath 5, The outer surface of sheath 5 is enclosed with aluminium foil 8, and the outer surface of aluminium foil 8 is pasted with PVC glue-lines 9, due to aluminium foil 8 have it is higher close Closing property and shielding, cable can be protected not corroded and played a part of shielded signal and do not leaked, pass through PVC glue-lines 9, energy Enough increase the tensile strength of aluminium foil 8, reduce aluminium foil 8 and the situation of slight crack occur.

Outer jacket includes thermal insulation layer 61, flame-retardant layer 62 and tensile layer 63, and thermal insulation layer 61 is polystyrene-magnetic absorbent Composite wave-absorbing dope layer, polystyrene-magnetic absorbent composite wave-absorbing coating layer is by polystyrene-magnetic absorbent composite wave-absorbing Uniformly coating forms coating, because polystyrene-magnetic absorbent composite wave-absorbing coating can increase the adsorptivity with metal, from And polystyrene-magnetic absorbent composite wave-absorbing coating is coated uniformly on the surface of core conductor 1, thermal insulation layer 61 can be by core Heat caused by the use of conductor 1 obstructs；Polystyrene-magnetic absorbent composite wave-absorbing coating is referred to application number 201110046050.X patent of invention, belong to prior art, will not be repeated here.

Flame-retardant layer 62 is coated with the outer surface of thermal insulation layer 61, flame-retardant layer 62 is the core-shell type aqueous esters of acrylic acid of anti-flammability Resin coating layer, the core-shell type aqueous acrylic resin dope layer of anti-flammability is by the core-shell type aqueous esters of acrylic acid tree of anti-flammability Uniformly coating forms grease coating material, because the core-shell type aqueous acrylic resin coating of anti-flammability is by by second boron alkene and second boron alkynes Radical polymerization is carried out for being separately employed in stratum nucleare and shell, is aggregated to the main chain of acrylic resin, and quaternary alkylphosphonium salts, boron It is fire-retardant under alkane synergistic, reach effective flame retardant effect, while polystyrene-magnetic absorbent composite wave-absorbing coating and anti-flammability core The absorption affinity of shell-type aqueous acrylic resin coating is stronger, can effectively prevent flame-retardant layer 62 from being come off from thermal insulation layer 61； The core-shell type aqueous acrylic resin coating of anti-flammability is referred to the patent of invention of application number 201410324852.6, belongs to Prior art, it will not be repeated here.

It is coated with tensile layer 63 in the outer surface of flame-retardant layer 62, tensile layer 63 is polyolefin coatings layer, polyolefin coatings layer Uniformly coated and formed by polyolefin coatings, because polyolefin coatings raw material is easy to get, cost is low, excellent with against weather, film The advantages of elastic big, elongation percentage is high, tensile strength and good endurance, adapts to the needs of basic unit's deformation, and strong adaptability effect is good, The toughness and mechanical strength of cable are greatly enhanced, can effectively protect core conductor 1 not easy to break in strong pull；Polyene Hydrocarbon coating is referred to the patent of invention of application number 201310449983.2, belongs to prior art, will not be repeated here.

Wearing layer 10 is coated with the outer surface of tensile layer 63, wearing layer 10 is Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint Layer, Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint layer is uniformly coated by Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint to be formed, due to Environmentally-frieepoxy epoxy corrosion-resistant wear-resistant paint, as diluent, reduces coating using process using low volatility innoxious solvent In pollution to environment, and couplant, crosslinking agent and packing material be effectively improved the corrosion resistance, wear-resisting of coating Property, ageing resistace, shock resistance and the adhesive ability to applicator, the coating quality and coating for improving coating imitate Fruit, it can effectively prevent wearing layer 10 from being come off from tensile layer 63；Type ring epoxide anticorrosion abrasive resistant paint is protected to be referred to apply Numbers 201210173090.5 patent of invention, belongs to prior art, will not be repeated here.

Claims

1. a kind of cable, including core conductor (1) and the insulating barrier (2) that is wrapped on core conductor (1), it is characterized in that：The core Conductor (1) includes two copper foil wires (3) being twisted by double helix pattern and the nylon yarn (4) between copper foil wire (3)； The outer surface of the insulating barrier (2) is provided with sheath (5) and the outer jacket positioned at sheath (5) periphery, the sheath (5) Interior to be filled with multiply cotton thread (7), the outer surface of the sheath (5) is enclosed with aluminium foil (8), the outer surface patch of the aluminium foil (8) With PVC glue-lines (9).

2. cable according to claim 1, it is characterized in that：The outer jacket is included Zi in outer thermal insulation layer (61), resistance Fire layer (62) and the tensile layer (63) being made up of polyolefin coatings layer.

3. cable according to claim 2, it is characterized in that：The thermal insulation layer (61) is that polystyrene-magnetic absorbent is multiple Close antiradar coatings layer.

4. cable according to claim 2, it is characterized in that：The flame-retardant layer (62) is the core-shell type aqueous acrylic acid of anti-flammability Esters resin dope layer.

5. cable according to claim 4, it is characterized in that：Wearing layer (10) is coated with the tensile layer (63).

6. cable according to claim 5, it is characterized in that：The wearing layer (10) is that environment-friendly epoxy base anticorrosion is wear-resisting Dope layer.

7. cable according to claim 1, it is characterized in that：The insulating barrier (2) applies for no-solvent polyurethane fire retardant insulating The bed of material.